linux-ext4 - Re: Online defragmentation

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Message-ID: <20070530141034.GL5181@schatzie.adilger.int>
Date:	Wed, 30 May 2007 08:10:34 -0600
From:	Andreas Dilger <adilger@...sterfs.com>
To:	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
Cc:	Takashi Sato <sho@...s.nec.co.jp>,
	linux-ext4 <linux-ext4@...r.kernel.org>
Subject: Re: Online defragmentation

On May 30, 2007  12:34 +0530, Aneesh Kumar K.V wrote:
> I haven't tested the defrag code. This came up when i was doing the 
> online migration. With large file having large number of fragmented 
> blocks I was getting the below error during the iput of the temporary 
> inode.
> 
> "ext4_free_blocks Freeing blocks not in datazone ...."

This shouldn't happen regardless of whether you are doing defrag or not,
since it will cause the filesystem to go read-only.

Cheers, Andreas
--
Andreas Dilger
Principal Software Engineer
Cluster File Systems, Inc.

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